<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title></title>
  </head>
  <body>
    <form action="http://localhost:8080/" method="post" enctype="multipart/form-data">
      文件：<input type="file" name="f1" /><br>
      <input type="submit" value="上传">
    </form>
  </body>
</html>
